Home / 137,137,487.66-205,705,666.59-49,678,525.22

Finding the Fourth Proportional to 137,137,487.66, 205,705,666.59 and 49,678,525.22

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Solution

The fourth proportional to 137,137,487.66, 205,705,666.59 and 49,678,525.22 is: 74,517,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,137,487.66 : 205,705,666.59 = 49,678,525.22 : x
  2. Step 2: Convert to fraction form
    137,137,487.66/205,705,666.59 = 49,678,525.22/x
  3. Step 3: Cross multiply
    137,137,487.66x = 205,705,666.59 × 49,678,525.22
  4. Step 4: Simplify right side
    137,137,487.66x = 10,219,154,144,559,698
  5. Step 5: Solve for x
    x = 10,219,154,144,559,698/137,137,487.66
  6. Step 6: Final answer
    x = 74,517,583.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.